Struggling with Self-Assessment or Unsure You’re Claiming All You Can?
Being a sole trader means juggling everything: clients, cash flow, and compliance. Tax shouldn’t be another burden. At Simplex, we make tax simple, offering clear support tailored to your business. From self-assessment to allowable expenses and tax-saving strategies, we help you stay compliant and keep more of what you earn. With unlimited calls, WhatsApps and emails, you’ll never feel alone or in the dark again.
Fast, Personal Support
You’ll never be left waiting. Reach us by phone, text or email. Unlimited contact is included, and we always keep things clear and simple.
Lower Your Tax Bill
Our tax consultation for sole traders finds every saving possible. From allowable expenses to smarter setups, we help you keep more of what you earn.
Easy and Online
Everything is set up for you and runs smoothly. With tools like Xero and BrightPay, managing your tax is simple, secure and stress-free.
What’s Included in Our Service
Simplex takes care of the tax side so you can focus on your business. Everything is handled online with expert, friendly support just a message or call away.
✅ Self Assessment sorted from start to finish
✅ All allowable expenses reviewed and claimed
✅ Tax-saving tips tailored to your business
✅ Real-time figures in Xero, so you stay in control
✅ Personal accountant who knows your setup
✅ Unlimited advice by phone, text or email
✅ Deadline reminders and HMRC updates sent to you
“Simplex are super easy to work with. I love that I have a portal to track all documents and paperwork that need my attention. Everything else just seems to run in the background so I can focus on my business.“
Jordan, Design
Built for Real Businesses Like Yours
Our tax consultation for sole traders is designed to take the pressure off. We handle the numbers, prepare and submit your Self Assessment, and make sure everything is accurate and on time so you can focus on running your business. You’ll have a dedicated accountant who understands how you work and stays in touch throughout the year, with unlimited support by phone, WhatsApp or email whenever you need it.
Fully Remote, Fully Supported
Simplex is a 100% online firm, which means no paperwork, no travelling, and no stress. Your tax consultation for sole traders is managed digitally from start to finish, with real support from real people.
Wherever you are in the UK, you’ll get fast, personal help from your dedicated accountant. We’re available by phone, WhatsApp, email or Zoom. Whatever suits you best.
✅ Submit your records easily from your phone
✅ Track what you’ve earned and what you owe
✅ See how much tax to set aside in real time
✅ Get reminders and updates sent straight to you
Whether it’s your first tax return or your tenth, we’re always here when you need us.
“Great service, I now don’t have to worry about missing a tax return. Everything is handled professionally, and all questions asked are answered quickly. Would highly recommend.“
Abi, Sole Trader
Simple Accounting
We set you up with easy, reliable tools so your finances stay organised without adding to your to-do list. Everything is customised for the way you work, and we’re always here if you need help.
Xero
Stay organised without spreadsheets.
See your income, expenses and invoices in one place, always up to date and ready when you need it.
dext
No more chasing receipts.
Snap a photo or forward an email, and your bills and receipts are stored, sorted and matched to your accounts.
brightpay
Stress-free payroll.
Payslips, pensions and submissions are taken care of, always on time and fully compliant with HMRC
Getting Started is Easy!
We’ve made it simple for you to get the help you need:
Book a Free Call
Tell us about your business and what you need.
Send Your Info
Share your financial details securely online.
We Do the Work
We’ll sort your accounts and keep everything up to date.
Stay in Control
Get updates and support, so you always know where you stand.
Book your free discovery call! It will only take a minute
Time to Switch Accountants?
You don’t need to stay stuck with support that’s slow or confusing. Switching to Simplex is smooth and handled for you.
Seamless Transfer
We contact your previous accountant and securely move everything over, CIS, VAT, payroll and more.
No Disruption
Your accounts stay up to date while we handle the switch, so nothing gets missed.
A Fresh Start
We review your numbers, identify gaps, and get you set up with a clear plan that works for you.
Ready to switch? Let’s make it happen.
Helpful Resources
Your Questions, Answered
We know you might have some questions, and we’re here to make everything as clear and straightforward as possible. If you need more information, don’t hesitate to reach out—we’re always happy to help!
The cost of an accountant for a sole trader in the UK varies depending on the services you need. Some sole traders just want help with their tax return, while others prefer regular support throughout the year. Prices can reflect the level of service, experience, and whether you choose a local or online accountant.
A sole trader only starts paying tax when their income goes over a certain threshold. If your income is below that amount, you may not need to pay any tax. Once your earnings pass the limit, you’ll need to register and file a Self Assessment tax return to report your profits.
Being a sole trader can come with challenges such as taking full responsibility for the business, finding it harder to get funding, or having fewer financial planning options. Some people find it more difficult to grow or step away from the business, and there’s often more personal risk involved compared to other setups.
The cost of tax advice in the UK depends on what kind of help you need and who you speak to. A one-off consultation might cost differently than ongoing support. Fees can vary between firms and may reflect the complexity of your situation and how detailed the advice needs to be.
Many sole traders choose to work with an accountant to stay organised and meet deadlines. It can be helpful to have someone managing your accounts so you can focus on running your business. Whether it’s worthwhile depends on how confident you feel handling everything yourself and how much time you want to spend on it.
Sole traders pay tax on their profits after expenses are taken into account. The amount depends on how much they earn in a year. Tax is calculated using set bands and there may also be National Insurance contributions to pay. These figures are reviewed regularly by the government.
